Higher order aberrations and visual function in a young Asian population of high myopes.

Autor:	Chay IW; Vision Performance Centre, Military Medicine Institute, Singapore Armed Forces Medical Corps, Singapore.; National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore., Lin ST; DSO National Laboratories, Defence Medical and Environmental Research Institute, Singapore., Lim EW; Vision Performance Centre, Military Medicine Institute, Singapore Armed Forces Medical Corps, Singapore., Heng WJ; National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore., Bin Ismail MA; Department of Ophthalmology, Woodlands Health Campus, Singapore., Tan MC; Raffles Eye Centre, Raffles Hospital, Singapore., Zhao PS; Department of Ophthalmology, National University Health System, Singapore., Nah GK; Department of Ophthalmology, National University Health System, Singapore.; W Eye Clinic, Singapore., Ang BC; Vision Performance Centre, Military Medicine Institute, Singapore Armed Forces Medical Corps, Singapore.; National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore.; Department of Ophthalmology, Woodlands Health Campus, Singapore.
Jazyk:	angličtina
Zdroj:	Heliyon [Heliyon] 2023 Apr 10; Vol. 9 (4), pp. e14901. Date of Electronic Publication: 2023 Apr 10 (Print Publication: 2023).
DOI:	10.1016/j.heliyon.2023.e14901
Abstrakt:	Purpose: To examine the associations between higher order aberrations (HOAs), visual performance, demographics, and ocular characteristics in a young Asian population with high myopia. Methods: This was a retrospective review of military pre-enlistees conducted between March 2014 to September 2018. Visual acuity and contrast sensitivity were tested under photopic, mesopic and simulated night conditions. Ocular, corneal and internal HOAs were measured with a Hartmann-Shack wavefront aberrometer (KR-1W, Topcon Co., Tokyo, Japan). Results: 522 eyes of 263 consecutive subjects with severe high myopia (defined as spherical equivalent refraction [SER] ≤ -10.00D) in at least one eye, and high myopia (SER ≤ -6.00D) in the fellow eye, [mean (SD) SER -11.85 (2.03D)] were analysed. The mean (SD) age of subjects was 18.5 (1.6) years. Chinese eyes had significantly greater internal total HOA root-mean-square (RMS) compared to Malay eyes [mean difference (SD) 0.0246 (0.007) μm, p < 0.001). More negative SER was associated with greater ocular total HOA (p = 0.038), primary coma (p = 0.003) and tetrafoil (p = 0.025) RMS, as well as more positive ocular (p = 0.003) and internal primary spherical aberration (p = 0.009). Greater ocular total HOAs was associated with reduced visual acuity in simulated night conditions and low contrast, decreased contrast sensitivity under mesopic and simulated night conditions (all p < 0.05). Conclusions: Greater HOAs were associated with Chinese ethnicity and more negative SER in a young Asian population with high myopia. Greater HOAs were associated with poorer visual performance in low luminance and reduced contrast conditions. Competing Interests: No conflicting relationship exists for any author. (© 2023 The Authors.)
Databáze:	MEDLINE
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